Coelorinchus lanceolatus

Coelorinchus lanceolatus Nakayama, 2020

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Classification / Names Common names | Synonyms | Catalog of Fishes(genus, species) | ITIS | CoL | WoRMS | Cloffa

Teleostei (teleosts) > Gadiformes (Cods) > Macrouridae (Grenadiers or rattails)
Etymology: Coelorinchus: Greek, koilos = a hollow + Greek, rhyngchos = jaw (Ref. 45335); lanceolatus: Name from Latin adjective 'lanceolatus' meaning 'armed with a lance', referring to the species’ long snout tipped with a spearhead-shaped scute.

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range 521 - 536 m (Ref. 123356). Temperate

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Northwest Pacific: Japan.

Size / Weight / Age

Maturity: Lm ?  range ? - ? cm
Max length : 26.0 cm TL male/unsexed; (Ref. 123356)

Short description Identification keys | Morphology | Morphometrics

This species is distinguished by the following characters: external light organ a short, narrow, naked streak immediately anterior to anus, its anterior margin falling far short of line connecting inner pelvic-fin bases; underside of head almost completely naked; dorsal surface of snout is fully scaled, except the narrow naked clefts along each side of median rostral ridge; nasal fossa heavily scaled anteroventrally; snout very long, sharply pointed, its length 107% postrostral length (PRL); dorsal profile of snout moderately concave in lateral view; terminal snout scute long, slender, spearhead-shaped, dorsoventrally flattened, its length 27% PRL; scales on median rostral ridge covered with divergent rows of spinules; lateral nasal ridge is completely supported by nasal bone, almost straight when viewed dorsally, giving it a sharply pointed and distinctly attenuated appearance to snout; anus slightly separated from anal-fin origin; premaxillary teeth small, conical and arranged in a short, uniformly wide band, none especially enlarged; posterior margin of tooth band falling far short of the lateral corner of mouth; body scales are covered with short, reclined, keel-like spinules in narrowly divergent, saw-toothed ridges; every spinule row is complete, extending to posterior scale margin; spinules in each row greatly overlapping, closely adjoined to one another, but generally free at the tips; buttresses only narrowly developed; occipital scales covered with short, erect, keel-like spinules in widely divergent, saw-toothed rows; postorbital length 53% postrostral length (PRL); preoral length 101% PRL; prepelvic length 227% PRL; preanal length 292% PRL; predorsal length 214% PRL; height of first dorsal fin 84% PRL; interdorsal length 34% PRL; free neuromasts on the underside of head are tiny, immaculate, difficult to distinguish; no dark hair-like papillae on underside of head. Colouration: body uniformly pale in preserved specimen; lips white while oral cavity is blackish (Ref. 123356).

Biology     Glossary (e.g. epibenthic)

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Iwamoto, Tomio | Collaborators

Nakayama, N., 2020. Grenadiers (Teleostei: Gadiformes: Macrouridae) of Japan and adjacent waters, a taxonomic monograph. Megataxa 3(1):1-383. (Ref. 123356)

IUCN Red List Status (Ref. 130435: Version 2025-2)

Not Evaluated 

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Threat to humans

  Harmless





Human uses

Fisheries: of no interest
FAO - Publication: search | FishSource |

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Internet sources

AFORO (otoliths) | Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes: genus, species | DiscoverLife | ECOTOX | FAO - Publication: search | Faunafri | Fishipedia | Fishtrace | GloBI | Google Books | Google Scholar | Google | IGFA World Record | OneZoom | Open Tree of Life | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Socotra Atlas | TreeBase | Tree of Life | Wikipedia: Go, Search |